1.tms320vc5402_ini.c

来自「tms320vc5402_ini.c(tms320vc5402初始化样例代码)」· C语言 代码 · 共 48 行

//tms320vc5402初始化样例代码
#include "cpu_reg.h"

int 	ms,f=1;
int 	DA_wptr,DA_rptr,y;
int		Flag = 0;

void main()
{

     unsigned int temp,i;
       

     asm("  STM #0000h,CLKMD ");  
     while(*CLKMD & 0x01 );
     asm("  STM #40c7h,CLKMD ");   //40C7h:5*clkin=100M
    
     asm("  stm   #4240h, SWWSR ");
     //2 wait except for on-chip program 1
     asm("  stm   #00a0h, PMST  "); //MP/MC = 0, IPTR = 001,ovly=1  
     asm("  stm   #0802h, BSCR  "); 
     asm("  STM #0h,IMR ");
     
     asm("  STM #0010h,TCR  "); //关定时器
     asm("  STM #0186ah,PRD  ");//1ms
     asm("  STM #0C2fh,TCR  "); 
     asm("  STM #0008h,IFR  ");
     asm("  ORM #0008h,*(IMR) ");//开时间中断
 
     DA_wptr=0;
     DA_rptr=0;
     
     McBsp0_init();             //串口初始化
     
     asm("  RSBX  INTM ");      //开中断
   
     while(1)
     {      
     } 			 
}  


interrupt void  timer0()
{
     ms++;    	
}